AN2125 View Datasheet(PDF) - STMicroelectronics
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MFG CO.
'AN2125' PDF : 68 Pages View PDF
uPSD3300 Series Design Guide for DK3300-ELCD Using KEIL
Figure 34. Design Assistant Chip select equations (psel0)
9. Click on LCD_E2. This is an external chip-select for the LCD module. Since this is an
external chip select, you must include signal qualifiers _rd and _wr. In this design, LCD_E
is true (active-high) only when the 8032 presents an address in the range of 7E04-7E07
AND when either 8032 control signal _rd is true, OR when 8032 control signal _wr is true,
as shown in Figure 35
Note: Signal qualifiers may be added by setting the cursor where you want the signal name
to go, then just double-clicking on the signal name in the list of eligible qualifiers.
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